Home / 3,048.18-4,207.95-1,929.66

Finding the Fourth Proportional to 3,048.18, 4,207.95 and 1,929.66

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Solution

The fourth proportional to 3,048.18, 4,207.95 and 1,929.66 is: 2,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.18 : 4,207.95 = 1,929.66 : x
  2. Step 2: Convert to fraction form
    3,048.18/4,207.95 = 1,929.66/x
  3. Step 3: Cross multiply
    3,048.18x = 4,207.95 × 1,929.66
  4. Step 4: Simplify right side
    3,048.18x = 8,119,912.80
  5. Step 5: Solve for x
    x = 8,119,912.80/3,048.18
  6. Step 6: Final answer
    x = 2,663.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.